Recognised as Colour
#CDB621
- #CDB621
- Yellow
- Dark
- Nearest: Goldenrod
#CDB621 is a yellow with RGB values 205, 182, 33 and HSL 52°, 72%, 47%. It is a dark colour, so black text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.
Colour values
#CDB621#CDB621
HEX#CDB621
RGBrgb(205, 182, 33)
RGB (0–1)0.8039, 0.7137, 0.1294
RGB percentages80.4%, 71.4%, 12.9%
HSLhsl(52, 72.3%, 46.7%)
HSV / HSBhsv(52, 83.9%, 80.4%)
CMYK0%, 11.2%, 83.9%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,481,505
CSS custom property--colour: #CDB621;
Brightness & contrast
Relative luminance0.46545WCAG 2.x, 0 is black and 1 is white
Perceived brightness179.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.31:1
Contrast with white2.04:1WCAG normal text: Fail
Contrast with black10.31:1WCAG normal text: AAA
Greyscale equivalent#B0B0B0
Inverted#3249DE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.04:1WCAG large text: Fail
Contrast with black, large text10.31:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2138CD
Analogous#CD6021, #8ECD21
Triadic#21CDB6, #B621CD
Split complementary#218ECD, #6021CD
Tetradic#21CD60, #2138CD, #CD218E
Tints, shades & saturation
Channel breakdown
R205
G182
B33
Red205 (80.4%)
Green182 (71.4%)
Blue33 (12.9%)
Hue51.98°
Saturation (HSL)72.27%
Lightness46.67%
Dominant channelRed
Hex per channelR CD · G B6 · B 21
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Also reads as
CdB621 (chemical formula)
- Formula
- 6,825.42 g/mol
- 622 atoms
CdB621 has a molar mass of 6,825.42 g/mol, made up of 622 atoms across 2 elements: 1 × Cd, 621 × B.
Molar mass
Molar mass6,825.42 g/mol
Total atoms per molecule622
Distinct elements2
Mass of one molecule1.1333877 × 10^-20 g
Molecules per gram8.8231065 × 10^19
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
Cd1.6%
B98.4%
Cadmium (Cd)112.41 g/mol, 1.647%
Boron (B × 621)6,713.01 g/mol, 98.353%
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